Abdominal Contents Flashcards

1
Q

What is the deepest layer of anterior abdominal wall?

A

peritoneum

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2
Q

What is the peritoneum?

A

A continuous transparent serous membrane that lines the abdominal cavity and invests the viscera

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3
Q

What are the two continuous layers of peritoneum?

A

Parietal peritoneum and visceral peritoneum

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4
Q

The parietal peritoneum lines?

A

The internal surface of the abdominopelvic wall

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5
Q

The visceral peritoneum lines?

A

It invests the viscera

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6
Q

What is the only opening in viscera peritoneum?

A

Where the uterine tubes come in close contact with ovaries; explains ectopic pregnancies

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7
Q

The parietal peritoneum can be thought of as ‘somatic’. Why?

A

Same blood supply, lymphatic drainage pattern, and innervation as the region of the body wall it lines

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8
Q

The viscera peritoneum has poorly localized what?

A

Innervation; “referred pain”, blood and innervation according to organ it is associated with

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9
Q

When the two sheets of peritoneum come into contact with each other we have a fold called?

A

Mesentary

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10
Q

What are the three classifications for an organs relationship with peritoneum?

A

Intraperitoneal viscera, retroperitoneal viscera, subperitoneal viscera

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11
Q

What is intraperitoneal viscera OF FOREGUT? Example?

A

The organ is completely incased in the peritoneum; SI, liver, gallbladder, stomach

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12
Q

What is retroperitoneal viscera of foregut? Example?

A

Behind the peritoneum; kidney and pancreas

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13
Q

What is subperitoneal viscera? Example?

A

Below the peritoneum; pelvic organs, anything reproductive

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14
Q

What is the peritoneal cavity?

A

The space between the visceral and parietal peritoneum

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15
Q

What is asides?

A

Accumulation of fluid specific to abdominal cavity; typically peritoneal fluid in peritoneal cavity; usually caused by liver failure (called edema in skin)

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16
Q

What are the three sections of the primordial gut?

A

Foregut, midgut, hindgut

-each has unique blood supply, innervation and lymph drainage

17
Q

What is unique about the foregut? Name them?

A

It has to mesenteries;

1) Dorsal mesogastrium is posterior
2) ventral mesogastrium anterior abdominal wall

18
Q

What side does the spleen and liver rotate to during fetal development? What develops in dorsal or ventral mesogastrium?

A

Liver= right= ventral spleen=left= dorsal

19
Q

Foregut receives its blood supply from?

A

Celiac artery and its branches

20
Q

What does the foregut become?

A

Stomach, esophagus, liver, pancreas, gallbladder, first part of duodenum

21
Q

What does the midgut become?

A

Last part of duodenum, jejunum, ileum, cecum, and proximal colon

22
Q

What does the hindgut become?

A

Distal colon, rectum, and upper anal canal

23
Q

What is unique about the midgut development?

A

1) Protrudes through umbilical cord during fetal development due to lack of space
2) Gastroschisis can happen in babies if midgut doesn’t go back into baby

24
Q

The midgut receives blood via?

A

Superior mesentary and branches

25
Q

How does the midgut attach to abdominal wall? Is it still present?

A

Only posteriorly via dorsal mesentary proper, its persists in adults’ bodies

26
Q

What is gastroschisis?

A

When a baby is born with midgut or small intestine outside of its body because it doesn’t retract back into the baby’s body

27
Q

How is the hindgut attached to abdominal wall?

A

Posteriorly via dorsal mesocolon

28
Q

How many attachments to abdominal wall does the foregut, midgut, and hindgut have?

A

Foregut= 2; midgut and hindgut= 1

29
Q

How does the hindgut receive its blood?

A

Inferior mesenteric artery

30
Q

What direction does the foregut initially rotate during development?

A

To the right (this is how the spleen in the dorsal mesentary gets moved to the left and the liver in the ventral mesentary goes right)